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Corrections and improvements to the 1.4 release notes. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17252 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Gabriel Hurley 2011-12-23 01:49:32 +00:00
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docs/releases/1.4-alpha-1.txt
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@ -50,7 +50,7 @@ What's new in Django 1.4
Support for in-browser testing frameworks Support for in-browser testing frameworks
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 now supports the integration with in-browser testing frameworks such Django 1.4 now supports integration with in-browser testing frameworks such
as Selenium_ or Windmill_ thanks to the :class:`django.test.LiveServerTestCase` as Selenium_ or Windmill_ thanks to the :class:`django.test.LiveServerTestCase`
base class, allowing you to test the interactions between your site's front and base class, allowing you to test the interactions between your site's front and
back ends more comprehensively. See the back ends more comprehensively. See the
@ -90,56 +90,55 @@ Similar to :meth:`~django.db.models.query.QuerySet.select_related` but with a
different strategy and broader scope, different strategy and broader scope,
:meth:`~django.db.models.query.QuerySet.prefetch_related` has been added to :meth:`~django.db.models.query.QuerySet.prefetch_related` has been added to
:class:`~django.db.models.query.QuerySet`. This method returns a new :class:`~django.db.models.query.QuerySet`. This method returns a new
``QuerySet`` that will prefetch in a single batch each of the specified related ``QuerySet`` that will prefetch each of the specified related lookups in a
lookups as soon as it begins to be evaluated. Unlike ``select_related``, it does single batch as soon as the query begins to be evaluated. Unlike
the joins in Python, not in the database, and supports many-to-many ``select_related``, it does the joins in Python, not in the database, and
relationships, :class:`~django.contrib.contenttypes.generic.GenericForeignKey` supports many-to-many relationships,
and more. This enables you to fix many instances of a very common performance :class:`~django.contrib.contenttypes.generic.GenericForeignKey` and more. This
problem, in which your code ends up doing O(n) database queries (or worse) if allows you to fix a very common performance problem in which your code ends up
objects on your primary ``QuerySet`` each have many related objects that you doing O(n) database queries (or worse) if objects on your primary ``QuerySet``
also need. each have many related objects that you also need.
HTML5 HTML5 Doctype
~~~~~ ~~~~~~~~~~~~~
We've switched the admin and other bundled templates to use the HTML5 We've switched the admin and other bundled templates to use the HTML5
doctype. While Django will be careful in its use of HTML5 features, to maintain doctype. While Django will be careful to maintain compatibility with older
compatibility with older browsers, this change means that you can use any HTML5 browsers, this change means that you can use any HTML5 features you need in
features you need in admin pages without having to lose HTML validity or admin pages without having to lose HTML validity or override the provided
override the provided templates to change the doctype. templates to change the doctype.
List filters in admin interface List filters in admin interface
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Prior to Django 1.4, the Django admin app allowed specifying change list Prior to Django 1.4, the :mod:`~django.contrib.admin` app allowed you to specify
filters by specifying a field lookup (including spanning relations), and change list filters by specifying a field lookup, but didn't allow you to create
not custom filters. This has been rectified with a simple API previously custom filters. This has been rectified with a simple API (previously used
known as "FilterSpec" which was used internally. For more details, see the internally and known as "FilterSpec"). For more details, see the documentation
documentation for :attr:`~django.contrib.admin.ModelAdmin.list_filter`. for :attr:`~django.contrib.admin.ModelAdmin.list_filter`.
Multiple sort in admin interface Multiple sort in admin interface
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The admin change list now supports sorting on multiple columns. It respects The admin change list now supports sorting on multiple columns. It respects all
all elements of the :attr:`~django.contrib.admin.ModelAdmin.ordering` elements of the :attr:`~django.contrib.admin.ModelAdmin.ordering` attribute, and
attribute, and sorting on multiple columns by clicking on headers is designed sorting on multiple columns by clicking on headers is designed to mimic the
to work similarly to how desktop GUIs do it. The new hook behavior of desktop GUIs. The
:meth:`~django.contrib.admin.ModelAdmin.get_ordering` for specifying the :meth:`~django.contrib.admin.ModelAdmin.get_ordering` method for specifying the
ordering dynamically (e.g. depending on the request) has also been added. ordering dynamically (e.g. depending on the request) has also been added.
New ``ModelAdmin`` methods New ``ModelAdmin`` methods
~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~
A new :meth:`~django.contrib.admin.ModelAdmin.save_related` method was added to A new :meth:`~django.contrib.admin.ModelAdmin.save_related` method was added to
:mod:`~django.contrib.admin.ModelAdmin` to ease the customization of how :mod:`~django.contrib.admin.ModelAdmin` to ease customization of how
related objects are saved in the admin. related objects are saved in the admin.
Two other new methods, Two other new methods,
:meth:`~django.contrib.admin.ModelAdmin.get_list_display` and :meth:`~django.contrib.admin.ModelAdmin.get_list_display` and
:meth:`~django.contrib.admin.ModelAdmin.get_list_display_links` :meth:`~django.contrib.admin.ModelAdmin.get_list_display_links`
were added to :class:`~django.contrib.admin.ModelAdmin` to enable the dynamic were added to :class:`~django.contrib.admin.ModelAdmin` to enable the dynamic
customization of fields and links to display on the admin customization of fields and links displayed on the admin change list.
change list.
Admin inlines respect user permissions Admin inlines respect user permissions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -157,30 +156,31 @@ Django 1.4 adds both a low-level API for signing values and a high-level API
for setting and reading signed cookies, one of the most common uses of for setting and reading signed cookies, one of the most common uses of
signing in Web applications. signing in Web applications.
See :doc:`cryptographic signing </topics/signing>` docs for more information. See the :doc:`cryptographic signing </topics/signing>` docs for more
information.
Cookie-based session backend Cookie-based session backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 introduces a new cookie based backend for the session framework Django 1.4 introduces a new cookie-based backend for the session framework
which uses the tools for :doc:`cryptographic signing </topics/signing>` to which uses the tools for :doc:`cryptographic signing </topics/signing>` to
store the session data in the client's browser. store the session data in the client's browser.
See the :ref:`cookie-based backend <cookie-session-backend>` docs for See the :ref:`cookie-based session backend <cookie-session-backend>` docs for
more information. more information.
New form wizard New form wizard
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~
The previously shipped ``FormWizard`` of the formtools contrib app has been The previous ``FormWizard`` from the formtools contrib app has been
replaced with a new implementation that is based on the class based views replaced with a new implementation based on the class-based views
introduced in Django 1.3. It features a pluggable storage API and doesn't introduced in Django 1.3. It features a pluggable storage API and doesn't
require the wizard to pass around hidden fields for every previous step. require the wizard to pass around hidden fields for every previous step.
Django 1.4 ships with a session based storage backend and a cookie based Django 1.4 ships with a session-based storage backend and a cookie-based
storage backend. The latter uses the tools for storage backend. The latter uses the tools for
:doc:`cryptographic signing </topics/signing>` also introduced in :doc:`cryptographic signing </topics/signing>` also introduced in
Django 1.4 to store the wizard state in the user's cookies. Django 1.4 to store the wizard's state in the user's cookies.
See the :doc:`form wizard </ref/contrib/formtools/form-wizard>` docs for See the :doc:`form wizard </ref/contrib/formtools/form-wizard>` docs for
more information. more information.
@ -195,7 +195,7 @@ Translating URL patterns
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 gained the ability to look for a language prefix in the URL pattern Django 1.4 gained the ability to look for a language prefix in the URL pattern
when using the new :func:`django.conf.urls.i18n.i18n_patterns` helper function. when using the new :func:`~django.conf.urls.i18n.i18n_patterns` helper function.
Additionally, it's now possible to define translatable URL patterns using Additionally, it's now possible to define translatable URL patterns using
:func:`~django.utils.translation.ugettext_lazy`. See :func:`~django.utils.translation.ugettext_lazy`. See
:ref:`url-internationalization` for more information about the language prefix :ref:`url-internationalization` for more information about the language prefix
@ -204,34 +204,35 @@ and how to internationalize URL patterns.
Contextual translation support for ``{% trans %}`` and ``{% blocktrans %}`` Contextual translation support for ``{% trans %}`` and ``{% blocktrans %}``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.3 introduced :ref:`contextual translation<contextual-markers>` support The :ref:`contextual translation<contextual-markers>` support introduced in
in Python files via the ``pgettext`` function. This is now also supported by Django 1.3 via the ``pgettext`` function has been extended to the
the :ttag:`trans` and :ttag:`blocktrans` template tags using the new :ttag:`trans` and :ttag:`blocktrans` template tags using the new ``context``
``context`` keyword. keyword.
Customizable ``SingleObjectMixin`` URLConf kwargs Customizable ``SingleObjectMixin`` URLConf kwargs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Two new attributes, Two new attributes,
:attr:`pk_url_kwarg<django.views.generic.detail.SingleObjectMixin.pk_url_kwarg>` and :attr:`pk_url_kwarg<django.views.generic.detail.SingleObjectMixin.pk_url_kwarg>`
and
:attr:`slug_url_kwarg<django.views.generic.detail.SingleObjectMixin.slug_url_kwarg>`, :attr:`slug_url_kwarg<django.views.generic.detail.SingleObjectMixin.slug_url_kwarg>`,
have been added to :class:`django.views.generic.detail.SingleObjectMixin` to have been added to :class:`~django.views.generic.detail.SingleObjectMixin` to
enable the customization of URLConf keyword arguments used for single enable the customization of URLConf keyword arguments used for single
object generic views. object generic views.
Assignment template tags Assignment template tags
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~
A new helper function, A new :ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` helper
:ref:`assignment_tag<howto-custom-template-tags-assignment-tags>`, was added to function was added to ``template.Library`` to ease the creation of template
``template.Library`` to ease the creation of template tags that store some tags that store data in a specified context variable.
data in a specified context variable.
``*args`` and ``**kwargs`` support for template tag helper functions ``*args`` and ``**kwargs`` support for template tag helper functions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:ref:`simple_tag<howto-custom-template-tags-simple-tags>`, :ref:`inclusion_tag The :ref:`simple_tag<howto-custom-template-tags-simple-tags>`,
<howto-custom-template-tags-inclusion-tags>` and the newly introduced :ref:`inclusion_tag <howto-custom-template-tags-inclusion-tags>` and
newly introduced
:ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` template :ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` template
helper functions may now accept any number of positional or keyword arguments. helper functions may now accept any number of positional or keyword arguments.
For example: For example:
@ -272,25 +273,25 @@ exceptions from template rendering is now consistent regardless of the value of
Added a filter which truncates a string to be no longer than the specified Added a filter which truncates a string to be no longer than the specified
number of characters. Truncated strings end with a translatable ellipsis number of characters. Truncated strings end with a translatable ellipsis
sequence ("..."). See the :tfilter:`truncatechars docs <truncatechars>` for sequence ("..."). See the documentation for :tfilter:`truncatechars` for
more details. more details.
``static`` template tag ``static`` template tag
~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
The :mod:`staticfiles<django.contrib.staticfiles>` contrib app has now a new The :mod:`staticfiles<django.contrib.staticfiles>` contrib app has a new
:ttag:`static template tag<staticfiles-static>` to refer to files saved with :ttag:`static<staticfiles-static>` template tag to refer to files saved with
the :setting:`STATICFILES_STORAGE` storage backend. It'll use the storage the :setting:`STATICFILES_STORAGE` storage backend. It uses the storage
``url`` method and therefore supports advanced features such as backend's ``url`` method and therefore supports advanced features such as
:ref:`serving files from a cloud service<staticfiles-from-cdn>`. :ref:`serving files from a cloud service<staticfiles-from-cdn>`.
``CachedStaticFilesStorage`` storage backend ``CachedStaticFilesStorage`` storage backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Additional to the `static template tag`_ the In addition to the `static template tag`_, the
:mod:`staticfiles<django.contrib.staticfiles>` contrib app now has a :mod:`staticfiles<django.contrib.staticfiles>` contrib app now has a
:class:`~django.contrib.staticfiles.storage.CachedStaticFilesStorage` which :class:`~django.contrib.staticfiles.storage.CachedStaticFilesStorage` backend
caches the files it saves (when running the :djadmin:`collectstatic` which caches the files it saves (when running the :djadmin:`collectstatic`
management command) by appending the MD5 hash of the file's content to the management command) by appending the MD5 hash of the file's content to the
filename. For example, the file ``css/styles.css`` would also be saved as filename. For example, the file ``css/styles.css`` would also be saved as
``css/styles.55e7cbb9ba48.css`` ``css/styles.55e7cbb9ba48.css``
@ -302,7 +303,7 @@ Simple clickjacking protection
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We've added a middleware to provide easy protection against `clickjacking We've added a middleware to provide easy protection against `clickjacking
<http://en.wikipedia.org/wiki/Clickjacking>`_ using the X-Frame-Options <http://en.wikipedia.org/wiki/Clickjacking>`_ using the ``X-Frame-Options``
header. It's not enabled by default for backwards compatibility reasons, but header. It's not enabled by default for backwards compatibility reasons, but
you'll almost certainly want to :doc:`enable it </ref/clickjacking/>` to help you'll almost certainly want to :doc:`enable it </ref/clickjacking/>` to help
plug that security hole for browsers that support the header. plug that security hole for browsers that support the header.
@ -312,28 +313,27 @@ CSRF improvements
We've made various improvements to our CSRF features, including the We've made various improvements to our CSRF features, including the
:func:`~django.views.decorators.csrf.ensure_csrf_cookie` decorator which can :func:`~django.views.decorators.csrf.ensure_csrf_cookie` decorator which can
help with AJAX heavy sites, protection for PUT and DELETE, and settings help with AJAX heavy sites, protection for PUT and DELETE requests, and the
:setting:`CSRF_COOKIE_SECURE` and :setting:`CSRF_COOKIE_PATH` which can improve :setting:`CSRF_COOKIE_SECURE` and :setting:`CSRF_COOKIE_PATH` settings which can
the security and usefulness of the CSRF protection. See the :doc:`CSRF docs improve the security and usefulness of the CSRF protection. See the :doc:`CSRF
</ref/contrib/csrf>` for more information. docs </ref/contrib/csrf>` for more information.
Error report filtering Error report filtering
~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~
Two new function decorators, :func:`sensitive_variables` and Two new function decorators, :func:`sensitive_variables` and
:func:`sensitive_post_parameters`, were added to allow designating the :func:`sensitive_post_parameters`, were added to allow designating the
traceback frames' local variables and request's POST parameters susceptible local variables and POST parameters which may contain sensitive
to contain sensitive information and that should be filtered out of error information and should be filtered out of error reports.
reports.
All POST parameters are now systematically filtered out of error reports for All POST parameters are now systematically filtered out of error reports for
certain :mod:`contrib.views.auth` views (``login``, ``password_reset_confirm``, certain views (``login``, ``password_reset_confirm``, ``password_change``, and
``password_change``, and ``add_view`` and ``user_change_password`` in the ``add_view`` in :mod:`django.contrib.auth.views`, as well as
``auth`` admin) to prevent the leaking of sensitive information such as user ``user_change_password`` in the admin app) to prevent the leaking of sensitive
passwords. information such as user passwords.
You may override or customize the default filtering by writing a You may override or customize the default filtering by writing a :ref:`custom
:ref:`custom filter<custom-error-reports>`. Learn more on filter<custom-error-reports>`. For more information see the docs on
:ref:`Filtering error reports<filtering-error-reports>`. :ref:`Filtering error reports<filtering-error-reports>`.
Extended IPv6 support Extended IPv6 support
@ -355,7 +355,7 @@ the previous ``manage.py`` handling of Python import paths that caused double
imports, trouble moving from development to deployment, and other imports, trouble moving from development to deployment, and other
difficult-to-debug path issues. difficult-to-debug path issues.
The previous ``manage.py`` calls functions that are now deprecated, and thus The previous ``manage.py`` called functions that are now deprecated, and thus
projects upgrading to Django 1.4 should update their ``manage.py``. (The projects upgrading to Django 1.4 should update their ``manage.py``. (The
old-style ``manage.py`` will continue to work as before until Django 1.6; in old-style ``manage.py`` will continue to work as before until Django 1.6; in
1.5 it will raise ``DeprecationWarning``). 1.5 it will raise ``DeprecationWarning``).
@ -375,8 +375,8 @@ The new recommended ``manage.py`` file should look like this::
``{{ project_name }}`` should be replaced with the Python package name of the ``{{ project_name }}`` should be replaced with the Python package name of the
actual project. actual project.
If settings, URLconf, and apps within the project are imported or referenced If settings, URLconfs, and apps within the project are imported or referenced
using the project-name prefix (e.g. ``myproject.settings``, ``ROOT_URLCONF = using the project name prefix (e.g. ``myproject.settings``, ``ROOT_URLCONF =
"myproject.urls"``, etc), the new ``manage.py`` will need to be moved one "myproject.urls"``, etc), the new ``manage.py`` will need to be moved one
directory up, so it is outside the project package rather than adjacent to directory up, so it is outside the project package rather than adjacent to
``settings.py`` and ``urls.py``. ``settings.py`` and ``urls.py``.
@ -433,8 +433,8 @@ Custom project and app templates
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The :djadmin:`startapp` and :djadmin:`startproject` management commands The :djadmin:`startapp` and :djadmin:`startproject` management commands
got a ``--template`` option for specifying paths or URL to custom app or got a ``--template`` option for specifying a path or URL to a custom app or
project templates. project template.
For example, Django will use the ``/path/to/my_project_template`` For example, Django will use the ``/path/to/my_project_template``
directorywhen running the following command:: directorywhen running the following command::
@ -466,7 +466,7 @@ Reasons for using this feature include:
timestamps with time zone information in Django 1.3.) timestamps with time zone information in Django 1.3.)
- Avoiding data corruption problems around DST transitions. - Avoiding data corruption problems around DST transitions.
Time zone support in enabled by default in new projects created with Time zone support is enabled by default in new projects created with
:djadmin:`startproject`. If you want to use this feature in an existing :djadmin:`startproject`. If you want to use this feature in an existing
project, there is a :ref:`migration guide <time-zones-migration-guide>`. project, there is a :ref:`migration guide <time-zones-migration-guide>`.
@ -487,7 +487,7 @@ Django 1.4 also includes several smaller improvements worth noting:
* In the documentation, a helpful :doc:`security overview </topics/security>` * In the documentation, a helpful :doc:`security overview </topics/security>`
page. page.
* Function :func:`django.contrib.auth.models.check_password` has been moved * The :func:`django.contrib.auth.models.check_password` function has been moved
to the :mod:`django.contrib.auth.utils` module. Importing it from the old to the :mod:`django.contrib.auth.utils` module. Importing it from the old
location will still work, but you should update your imports. location will still work, but you should update your imports.
@ -528,12 +528,13 @@ Django 1.4 also includes several smaller improvements worth noting:
``pickle.HIGHEST_PROTOCOL`` for better compatibility with the other ``pickle.HIGHEST_PROTOCOL`` for better compatibility with the other
cache backends. cache backends.
* Support in the ORM for generating ``SELECT`` queries containing ``DISTINCT ON`` * Added support in the ORM for generating ``SELECT`` queries containing
``DISTINCT ON``.
The ``distinct()`` ``Queryset`` method now accepts an optional list of model The ``distinct()`` ``Queryset`` method now accepts an optional list of model
field names. If specified, then the ``DISTINCT`` statement is limited to these field names. If specified, then the ``DISTINCT`` statement is limited to these
fields. The PostgreSQL is the only of the database backends shipped with fields. PostgreSQL is the only database backend shipped with Django that
Django that supports this new functionality. supports this new functionality.
For more details, see the documentation for For more details, see the documentation for
:meth:`~django.db.models.query.QuerySet.distinct`. :meth:`~django.db.models.query.QuerySet.distinct`.
@ -550,9 +551,9 @@ stylesheets. Django 1.3 added a new contrib app ``django.contrib.staticfiles``
to handle such files in a generic way and defined conventions for static to handle such files in a generic way and defined conventions for static
files included in apps. files included in apps.
Starting in Django 1.4 the admin's static files are now also following this Starting in Django 1.4 the admin's static files also follow this
convention to make it easier to deploy the included files. In previous convention to make it easier to deploy the included files. In previous
versions of Django, it was also common to define a ``ADMIN_MEDIA_PREFIX`` versions of Django, it was also common to define an ``ADMIN_MEDIA_PREFIX``
setting to point to the URL where the admin's static files are served by a setting to point to the URL where the admin's static files are served by a
web server. This setting has now been deprecated and replaced by the more web server. This setting has now been deprecated and replaced by the more
general setting :setting:`STATIC_URL`. Django will now expect to find the general setting :setting:`STATIC_URL`. Django will now expect to find the
@ -565,7 +566,7 @@ server continues to serve the admin files just like before. Don't hesitate to
consult the :doc:`static files howto </howto/static-files>` for further consult the :doc:`static files howto </howto/static-files>` for further
details. details.
In case your ``ADMIN_MEDIA_PREFIX`` is set to an own domain (e.g. In case your ``ADMIN_MEDIA_PREFIX`` is set to an specific domain (e.g.
``http://media.example.com/admin/``) make sure to also set your ``http://media.example.com/admin/``) make sure to also set your
:setting:`STATIC_URL` setting to the correct URL, for example :setting:`STATIC_URL` setting to the correct URL, for example
``http://media.example.com/``. ``http://media.example.com/``.
@ -601,13 +602,16 @@ As part of an effort to improve the performance and usability of the admin's
changelist sorting interface and of the admin's :attr:`horizontal changelist sorting interface and of the admin's :attr:`horizontal
<django.contrib.admin.ModelAdmin.filter_horizontal>` and :attr:`vertical <django.contrib.admin.ModelAdmin.filter_horizontal>` and :attr:`vertical
<django.contrib.admin.ModelAdmin.filter_vertical>` "filter" widgets, some icon <django.contrib.admin.ModelAdmin.filter_vertical>` "filter" widgets, some icon
files were removed and grouped into two sprite files, respectively: files were removed and grouped into two sprite files.
``selector-add.gif``, ``selector-addall.gif``, ``selector-remove.gif``,
``selector-removeall.gif``, ``selector_stacked-add.gif`` and Specifically: ``selector-add.gif``, ``selector-addall.gif``,
``selector_stacked-remove.gif`` into ``selector-icons.gif``; and ``selector-remove.gif``, ``selector-removeall.gif``,
``arrow-up.gif`` and ``arrow-down.gif`` into ``sorting-icons.gif``. If you used ``selector_stacked-add.gif`` and ``selector_stacked-remove.gif`` were
those icons to customize the admin then you will want to replace them with your combined into ``selector-icons.gif``; and ``arrow-up.gif`` and
own icons or retrieve them from a previous release. ``arrow-down.gif`` were combined into ``sorting-icons.gif``.
If you used those icons to customize the admin then you will want to replace
them with your own icons or retrieve them from a previous release.
CSS class names in admin forms CSS class names in admin forms
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -628,39 +632,39 @@ produced by the previous methods, these fallbacks are removed in Django 1.4.
So, if you upgrade to Django 1.4 directly from 1.2 or earlier, you may So, if you upgrade to Django 1.4 directly from 1.2 or earlier, you may
lose/invalidate certain pieces of data that have been cryptographically signed lose/invalidate certain pieces of data that have been cryptographically signed
using an old method. To avoid this, use Django 1.3 first, for a period of time, using an old method. To avoid this, use Django 1.3 first for a period of time
to allow the signed data to expire naturally. The affected parts are detailed to allow the signed data to expire naturally. The affected parts are detailed
below, with 1) the consequences of ignoring this advice and 2) the amount of below, with 1) the consequences of ignoring this advice and 2) the amount of
time you need to run Django 1.3 for the data to expire or become irrelevant. time you need to run Django 1.3 for the data to expire or become irrelevant.
* contrib.sessions data integrity check * ``contrib.sessions`` data integrity check
* consequences: the user will be logged out, and session data will be lost. * consequences: the user will be logged out, and session data will be lost.
* time period: defined by SESSION_COOKIE_AGE. * time period: defined by :setting:`SESSION_COOKIE_AGE`.
* contrib.auth password reset hash * ``contrib.auth`` password reset hash
* consequences: password reset links from before the upgrade will not work. * consequences: password reset links from before the upgrade will not work.
* time period: defined by PASSWORD_RESET_TIMEOUT_DAYS. * time period: defined by :setting:`PASSWORD_RESET_TIMEOUT_DAYS`.
Form related hashes — these are much shorter lifetime, and are relevant only for Form-related hashes — these are much shorter lifetime, and are relevant only for
the short window where a user might fill in a form generated by the pre-upgrade the short window where a user might fill in a form generated by the pre-upgrade
Django instance, and try to submit it to the upgraded Django instance: Django instance, and try to submit it to the upgraded Django instance:
* contrib.comments form security hash * ``contrib.comments`` form security hash
* consequences: the user will see a validation error "Security hash failed". * consequences: the user will see a validation error "Security hash failed".
* time period: the amount of time you expect users to take filling out comment * time period: the amount of time you expect users to take filling out comment
forms. forms.
* FormWizard security hash * ``FormWizard`` security hash
* consequences: the user will see an error about the form having expired, * consequences: the user will see an error about the form having expired,
and will be sent back to the first page of the wizard, losing the data and will be sent back to the first page of the wizard, losing the data
they have inputted so far. they have entered so far.
* time period: the amount of time you expect users to take filling out the * time period: the amount of time you expect users to take filling out the
affected forms. affected forms.
@ -702,9 +706,9 @@ specification, some changes were made to the JSON serializer:
only supports milliseconds (3 digits). However, it's better than discarding only supports milliseconds (3 digits). However, it's better than discarding
microseconds entirely. microseconds entirely.
The XML serializer was also changed to use ISO8601 for datetimes. The letter The XML serializer was also changed to use the ISO8601 format for datetimes.
``T`` is used to separate the date part from the time part, instead of a The letter ``T`` is used to separate the date part from the time part, instead
space. Time zone information is included in the ``[+-]HH:MM`` format. of a space. Time zone information is included in the ``[+-]HH:MM`` format.
The serializers will dump datetimes in fixtures with these new formats. They The serializers will dump datetimes in fixtures with these new formats. They
can still load fixtures that use the old format. can still load fixtures that use the old format.
@ -754,7 +758,7 @@ Check their documentation for details.
Django's :doc:`comments app </ref/contrib/comments/index>` has historically Django's :doc:`comments app </ref/contrib/comments/index>` has historically
supported excluding the comments of a special user group, but we've never supported excluding the comments of a special user group, but we've never
documented the feature properly and didn't enforce the exclusion in other parts documented the feature properly and didn't enforce the exclusion in other parts
of the app, e.g., the template tags. To fix this problem, we removed the code of the app such as the template tags. To fix this problem, we removed the code
from the feed class. from the feed class.
If you rely on the feature and want to restore the old behavior, simply use If you rely on the feature and want to restore the old behavior, simply use
@ -792,10 +796,9 @@ For more details, see the documentation about
`IGNORABLE_404_STARTS` and `IGNORABLE_404_ENDS` settings `IGNORABLE_404_STARTS` and `IGNORABLE_404_ENDS` settings
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django can report 404 errors: see :doc:`/howto/error-reporting`. Until Django 1.3, it was possible to exclude some URLs from Django's
Until Django 1.3, it was possible to exclude some URLs from the reporting :doc:`404 error reporting</howto/error-reporting>` by adding prefixes to
by adding prefixes to :setting:`IGNORABLE_404_STARTS` and suffixes to :setting:`IGNORABLE_404_STARTS` and suffixes to :setting:`IGNORABLE_404_ENDS`.
:setting:`IGNORABLE_404_ENDS`.
In Django 1.4, these two settings are superseded by In Django 1.4, these two settings are superseded by
:setting:`IGNORABLE_404_URLS`, which is a list of compiled regular expressions. :setting:`IGNORABLE_404_URLS`, which is a list of compiled regular expressions.
@ -905,7 +908,7 @@ Support for PostgreSQL versions older than 8.2
Django 1.3 dropped support for PostgreSQL versions older than 8.0 and the Django 1.3 dropped support for PostgreSQL versions older than 8.0 and the
relevant documents suggested to use a recent version because of performance relevant documents suggested to use a recent version because of performance
reasons but more importantly because end of the upstream support periods for reasons but more importantly because end of the upstream support periods for
releases 8.0 and 8.1 was near (November 2010.) releases 8.0 and 8.1 was near (November 2010).
Django 1.4 takes that policy further and sets 8.2 as the minimum PostgreSQL Django 1.4 takes that policy further and sets 8.2 as the minimum PostgreSQL
version it officially supports. version it officially supports.
@ -918,13 +921,13 @@ admin error email support was moved into the
:class:`django.utils.log.AdminEmailHandler`, attached to the :class:`django.utils.log.AdminEmailHandler`, attached to the
``'django.request'`` logger. In order to maintain the established behavior of ``'django.request'`` logger. In order to maintain the established behavior of
error emails, the ``'django.request'`` logger was called only when error emails, the ``'django.request'`` logger was called only when
:setting:`DEBUG` was `False`. :setting:`DEBUG` was ``False``.
To increase the flexibility of request-error logging, the ``'django.request'`` To increase the flexibility of error logging for requests, the
logger is now called regardless of the value of :setting:`DEBUG`, and the ``'django.request'`` logger is now called regardless of the value of
default settings file for new projects now includes a separate filter attached :setting:`DEBUG`, and the default settings file for new projects now includes a
to :class:`django.utils.log.AdminEmailHandler` to prevent admin error emails in separate filter attached to :class:`django.utils.log.AdminEmailHandler` to
`DEBUG` mode:: prevent admin error emails in ``DEBUG`` mode::
'filters': { 'filters': {
'require_debug_false': { 'require_debug_false': {
@ -963,13 +966,13 @@ Starting with Django 1.4 they are now available in :mod:`django.conf.urls`.
``django.contrib.databrowse`` ``django.contrib.databrowse``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Databrowse has not seen active development for some time, and this does not Databrowse has not seen active development for some time, and this does not show
show any sign of changing. There had been a suggestion for a GSOC project to any sign of changing. There had been a suggestion for a `GSOC project`_ to
integrate the functionality of databrowse into the admin, but no progress was integrate the functionality of databrowse into the admin, but no progress was
made. While Databrowse has been deprecated, an enhancement of made. While Databrowse has been deprecated, an enhancement of
django.contrib.admin providing a similar feature set is still possible. ``django.contrib.admin`` providing a similar feature set is still possible.
.. _GSOC Proposal: https://code.djangoproject.com/wiki/SummerOfCode2011#Integratedatabrowseintotheadmin .. _GSOC project: https://code.djangoproject.com/wiki/SummerOfCode2011#Integratedatabrowseintotheadmin
The code that powers Databrowse is licensed under the same terms as Django The code that powers Databrowse is licensed under the same terms as Django
itself, and so is available to be adopted by an individual or group as itself, and so is available to be adopted by an individual or group as
@ -983,10 +986,10 @@ This function temporarily modified ``sys.path`` in order to make the parent
layout. This function is now deprecated, as its path workarounds are no longer layout. This function is now deprecated, as its path workarounds are no longer
needed with the new ``manage.py`` and default project layout. needed with the new ``manage.py`` and default project layout.
This function was never documented or public API, but was widely recommended This function was never documented or part of the public API, but was widely
for use in setting up a "Django environment" for a user script. These uses recommended for use in setting up a "Django environment" for a user script.
should be replaced by setting the ``DJANGO_SETTINGS_MODULE`` environment These uses should be replaced by setting the ``DJANGO_SETTINGS_MODULE``
variable or using :func:`django.conf.settings.configure`. environment variable or using :func:`django.conf.settings.configure`.
``django.core.management.execute_manager`` ``django.core.management.execute_manager``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -994,10 +997,10 @@ variable or using :func:`django.conf.settings.configure`.
This function was previously used by ``manage.py`` to execute a management This function was previously used by ``manage.py`` to execute a management
command. It is identical to command. It is identical to
``django.core.management.execute_from_command_line``, except that it first ``django.core.management.execute_from_command_line``, except that it first
calls ``setup_environ``, which is now deprecated. ``execute_manager`` is also calls ``setup_environ``, which is now deprecated. As such, ``execute_manager``
deprecated; ``execute_from_command_line`` can be used instead. (Neither of is also deprecated; ``execute_from_command_line`` can be used instead. Neither
these functions is documented public API, but a deprecation path is needed due of these functions is documented as part of the public API, but a deprecation
to use in existing ``manage.py`` files.) path is needed due to use in existing ``manage.py`` files.
``is_safe`` and ``needs_autoescape`` attributes of template filters ``is_safe`` and ``needs_autoescape`` attributes of template filters
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -1027,7 +1030,7 @@ Session cookies now have the ``httponly`` flag by default
Session cookies now include the ``httponly`` attribute by default to Session cookies now include the ``httponly`` attribute by default to
help reduce the impact of potential XSS attacks. For strict backwards help reduce the impact of potential XSS attacks. For strict backwards
compatibility, use ``SESSION_COOKIE_HTTPONLY = False`` in settings. compatibility, use ``SESSION_COOKIE_HTTPONLY = False`` in your settings file.
Wildcard expansion of application names in `INSTALLED_APPS` Wildcard expansion of application names in `INSTALLED_APPS`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

261
docs/releases/1.4.txt
View File

@ -41,7 +41,7 @@ What's new in Django 1.4
Support for in-browser testing frameworks Support for in-browser testing frameworks
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 now supports the integration with in-browser testing frameworks such Django 1.4 now supports integration with in-browser testing frameworks such
as Selenium_ or Windmill_ thanks to the :class:`django.test.LiveServerTestCase` as Selenium_ or Windmill_ thanks to the :class:`django.test.LiveServerTestCase`
base class, allowing you to test the interactions between your site's front and base class, allowing you to test the interactions between your site's front and
back ends more comprehensively. See the back ends more comprehensively. See the
@ -81,56 +81,55 @@ Similar to :meth:`~django.db.models.query.QuerySet.select_related` but with a
different strategy and broader scope, different strategy and broader scope,
:meth:`~django.db.models.query.QuerySet.prefetch_related` has been added to :meth:`~django.db.models.query.QuerySet.prefetch_related` has been added to
:class:`~django.db.models.query.QuerySet`. This method returns a new :class:`~django.db.models.query.QuerySet`. This method returns a new
``QuerySet`` that will prefetch in a single batch each of the specified related ``QuerySet`` that will prefetch each of the specified related lookups in a
lookups as soon as it begins to be evaluated. Unlike ``select_related``, it does single batch as soon as the query begins to be evaluated. Unlike
the joins in Python, not in the database, and supports many-to-many ``select_related``, it does the joins in Python, not in the database, and
relationships, :class:`~django.contrib.contenttypes.generic.GenericForeignKey` supports many-to-many relationships,
and more. This enables you to fix many instances of a very common performance :class:`~django.contrib.contenttypes.generic.GenericForeignKey` and more. This
problem, in which your code ends up doing O(n) database queries (or worse) if allows you to fix a very common performance problem in which your code ends up
objects on your primary ``QuerySet`` each have many related objects that you doing O(n) database queries (or worse) if objects on your primary ``QuerySet``
also need. each have many related objects that you also need.
HTML5 HTML5 Doctype
~~~~~ ~~~~~~~~~~~~~
We've switched the admin and other bundled templates to use the HTML5 We've switched the admin and other bundled templates to use the HTML5
doctype. While Django will be careful in its use of HTML5 features, to maintain doctype. While Django will be careful to maintain compatibility with older
compatibility with older browsers, this change means that you can use any HTML5 browsers, this change means that you can use any HTML5 features you need in
features you need in admin pages without having to lose HTML validity or admin pages without having to lose HTML validity or override the provided
override the provided templates to change the doctype. templates to change the doctype.
List filters in admin interface List filters in admin interface
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Prior to Django 1.4, the Django admin app allowed specifying change list Prior to Django 1.4, the :mod:`~django.contrib.admin` app allowed you to specify
filters by specifying a field lookup (including spanning relations), and change list filters by specifying a field lookup, but didn't allow you to create
not custom filters. This has been rectified with a simple API previously custom filters. This has been rectified with a simple API (previously used
known as "FilterSpec" which was used internally. For more details, see the internally and known as "FilterSpec"). For more details, see the documentation
documentation for :attr:`~django.contrib.admin.ModelAdmin.list_filter`. for :attr:`~django.contrib.admin.ModelAdmin.list_filter`.
Multiple sort in admin interface Multiple sort in admin interface
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The admin change list now supports sorting on multiple columns. It respects The admin change list now supports sorting on multiple columns. It respects all
all elements of the :attr:`~django.contrib.admin.ModelAdmin.ordering` elements of the :attr:`~django.contrib.admin.ModelAdmin.ordering` attribute, and
attribute, and sorting on multiple columns by clicking on headers is designed sorting on multiple columns by clicking on headers is designed to mimic the
to work similarly to how desktop GUIs do it. The new hook behavior of desktop GUIs. The
:meth:`~django.contrib.admin.ModelAdmin.get_ordering` for specifying the :meth:`~django.contrib.admin.ModelAdmin.get_ordering` method for specifying the
ordering dynamically (e.g. depending on the request) has also been added. ordering dynamically (e.g. depending on the request) has also been added.
New ``ModelAdmin`` methods New ``ModelAdmin`` methods
~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~
A new :meth:`~django.contrib.admin.ModelAdmin.save_related` method was added to A new :meth:`~django.contrib.admin.ModelAdmin.save_related` method was added to
:mod:`~django.contrib.admin.ModelAdmin` to ease the customization of how :mod:`~django.contrib.admin.ModelAdmin` to ease customization of how
related objects are saved in the admin. related objects are saved in the admin.
Two other new methods, Two other new methods,
:meth:`~django.contrib.admin.ModelAdmin.get_list_display` and :meth:`~django.contrib.admin.ModelAdmin.get_list_display` and
:meth:`~django.contrib.admin.ModelAdmin.get_list_display_links` :meth:`~django.contrib.admin.ModelAdmin.get_list_display_links`
were added to :class:`~django.contrib.admin.ModelAdmin` to enable the dynamic were added to :class:`~django.contrib.admin.ModelAdmin` to enable the dynamic
customization of fields and links to display on the admin customization of fields and links displayed on the admin change list.
change list.
Admin inlines respect user permissions Admin inlines respect user permissions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -148,30 +147,31 @@ Django 1.4 adds both a low-level API for signing values and a high-level API
for setting and reading signed cookies, one of the most common uses of for setting and reading signed cookies, one of the most common uses of
signing in Web applications. signing in Web applications.
See :doc:`cryptographic signing </topics/signing>` docs for more information. See the :doc:`cryptographic signing </topics/signing>` docs for more
information.
Cookie-based session backend Cookie-based session backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 introduces a new cookie based backend for the session framework Django 1.4 introduces a new cookie-based backend for the session framework
which uses the tools for :doc:`cryptographic signing </topics/signing>` to which uses the tools for :doc:`cryptographic signing </topics/signing>` to
store the session data in the client's browser. store the session data in the client's browser.
See the :ref:`cookie-based backend <cookie-session-backend>` docs for See the :ref:`cookie-based session backend <cookie-session-backend>` docs for
more information. more information.
New form wizard New form wizard
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~
The previously shipped ``FormWizard`` of the formtools contrib app has been The previous ``FormWizard`` from the formtools contrib app has been
replaced with a new implementation that is based on the class based views replaced with a new implementation based on the class-based views
introduced in Django 1.3. It features a pluggable storage API and doesn't introduced in Django 1.3. It features a pluggable storage API and doesn't
require the wizard to pass around hidden fields for every previous step. require the wizard to pass around hidden fields for every previous step.
Django 1.4 ships with a session based storage backend and a cookie based Django 1.4 ships with a session-based storage backend and a cookie-based
storage backend. The latter uses the tools for storage backend. The latter uses the tools for
:doc:`cryptographic signing </topics/signing>` also introduced in :doc:`cryptographic signing </topics/signing>` also introduced in
Django 1.4 to store the wizard state in the user's cookies. Django 1.4 to store the wizard's state in the user's cookies.
See the :doc:`form wizard </ref/contrib/formtools/form-wizard>` docs for See the :doc:`form wizard </ref/contrib/formtools/form-wizard>` docs for
more information. more information.
@ -186,7 +186,7 @@ Translating URL patterns
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.4 gained the ability to look for a language prefix in the URL pattern Django 1.4 gained the ability to look for a language prefix in the URL pattern
when using the new :func:`django.conf.urls.i18n.i18n_patterns` helper function. when using the new :func:`~django.conf.urls.i18n.i18n_patterns` helper function.
Additionally, it's now possible to define translatable URL patterns using Additionally, it's now possible to define translatable URL patterns using
:func:`~django.utils.translation.ugettext_lazy`. See :func:`~django.utils.translation.ugettext_lazy`. See
:ref:`url-internationalization` for more information about the language prefix :ref:`url-internationalization` for more information about the language prefix
@ -195,34 +195,35 @@ and how to internationalize URL patterns.
Contextual translation support for ``{% trans %}`` and ``{% blocktrans %}`` Contextual translation support for ``{% trans %}`` and ``{% blocktrans %}``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django 1.3 introduced :ref:`contextual translation<contextual-markers>` support The :ref:`contextual translation<contextual-markers>` support introduced in
in Python files via the ``pgettext`` function. This is now also supported by Django 1.3 via the ``pgettext`` function has been extended to the
the :ttag:`trans` and :ttag:`blocktrans` template tags using the new :ttag:`trans` and :ttag:`blocktrans` template tags using the new ``context``
``context`` keyword. keyword.
Customizable ``SingleObjectMixin`` URLConf kwargs Customizable ``SingleObjectMixin`` URLConf kwargs
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Two new attributes, Two new attributes,
:attr:`pk_url_kwarg<django.views.generic.detail.SingleObjectMixin.pk_url_kwarg>` and :attr:`pk_url_kwarg<django.views.generic.detail.SingleObjectMixin.pk_url_kwarg>`
and
:attr:`slug_url_kwarg<django.views.generic.detail.SingleObjectMixin.slug_url_kwarg>`, :attr:`slug_url_kwarg<django.views.generic.detail.SingleObjectMixin.slug_url_kwarg>`,
have been added to :class:`django.views.generic.detail.SingleObjectMixin` to have been added to :class:`~django.views.generic.detail.SingleObjectMixin` to
enable the customization of URLConf keyword arguments used for single enable the customization of URLConf keyword arguments used for single
object generic views. object generic views.
Assignment template tags Assignment template tags
~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~
A new helper function, A new :ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` helper
:ref:`assignment_tag<howto-custom-template-tags-assignment-tags>`, was added to function was added to ``template.Library`` to ease the creation of template
``template.Library`` to ease the creation of template tags that store some tags that store data in a specified context variable.
data in a specified context variable.
``*args`` and ``**kwargs`` support for template tag helper functions ``*args`` and ``**kwargs`` support for template tag helper functions
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:ref:`simple_tag<howto-custom-template-tags-simple-tags>`, :ref:`inclusion_tag The :ref:`simple_tag<howto-custom-template-tags-simple-tags>`,
<howto-custom-template-tags-inclusion-tags>` and the newly introduced :ref:`inclusion_tag <howto-custom-template-tags-inclusion-tags>` and
newly introduced
:ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` template :ref:`assignment_tag<howto-custom-template-tags-assignment-tags>` template
helper functions may now accept any number of positional or keyword arguments. helper functions may now accept any number of positional or keyword arguments.
For example: For example:
@ -263,25 +264,25 @@ exceptions from template rendering is now consistent regardless of the value of
Added a filter which truncates a string to be no longer than the specified Added a filter which truncates a string to be no longer than the specified
number of characters. Truncated strings end with a translatable ellipsis number of characters. Truncated strings end with a translatable ellipsis
sequence ("..."). See the :tfilter:`truncatechars docs <truncatechars>` for sequence ("..."). See the documentation for :tfilter:`truncatechars` for
more details. more details.
``static`` template tag ``static`` template tag
~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~
The :mod:`staticfiles<django.contrib.staticfiles>` contrib app has now a new The :mod:`staticfiles<django.contrib.staticfiles>` contrib app has a new
:ttag:`static template tag<staticfiles-static>` to refer to files saved with :ttag:`static<staticfiles-static>` template tag to refer to files saved with
the :setting:`STATICFILES_STORAGE` storage backend. It'll use the storage the :setting:`STATICFILES_STORAGE` storage backend. It uses the storage
``url`` method and therefore supports advanced features such as backend's ``url`` method and therefore supports advanced features such as
:ref:`serving files from a cloud service<staticfiles-from-cdn>`. :ref:`serving files from a cloud service<staticfiles-from-cdn>`.
``CachedStaticFilesStorage`` storage backend ``CachedStaticFilesStorage`` storage backend
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Additional to the `static template tag`_ the In addition to the `static template tag`_, the
:mod:`staticfiles<django.contrib.staticfiles>` contrib app now has a :mod:`staticfiles<django.contrib.staticfiles>` contrib app now has a
:class:`~django.contrib.staticfiles.storage.CachedStaticFilesStorage` which :class:`~django.contrib.staticfiles.storage.CachedStaticFilesStorage` backend
caches the files it saves (when running the :djadmin:`collectstatic` which caches the files it saves (when running the :djadmin:`collectstatic`
management command) by appending the MD5 hash of the file's content to the management command) by appending the MD5 hash of the file's content to the
filename. For example, the file ``css/styles.css`` would also be saved as filename. For example, the file ``css/styles.css`` would also be saved as
``css/styles.55e7cbb9ba48.css`` ``css/styles.55e7cbb9ba48.css``
@ -293,7 +294,7 @@ Simple clickjacking protection
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We've added a middleware to provide easy protection against `clickjacking We've added a middleware to provide easy protection against `clickjacking
<http://en.wikipedia.org/wiki/Clickjacking>`_ using the X-Frame-Options <http://en.wikipedia.org/wiki/Clickjacking>`_ using the ``X-Frame-Options``
header. It's not enabled by default for backwards compatibility reasons, but header. It's not enabled by default for backwards compatibility reasons, but
you'll almost certainly want to :doc:`enable it </ref/clickjacking/>` to help you'll almost certainly want to :doc:`enable it </ref/clickjacking/>` to help
plug that security hole for browsers that support the header. plug that security hole for browsers that support the header.
@ -303,28 +304,27 @@ CSRF improvements
We've made various improvements to our CSRF features, including the We've made various improvements to our CSRF features, including the
:func:`~django.views.decorators.csrf.ensure_csrf_cookie` decorator which can :func:`~django.views.decorators.csrf.ensure_csrf_cookie` decorator which can
help with AJAX heavy sites, protection for PUT and DELETE, and settings help with AJAX heavy sites, protection for PUT and DELETE requests, and the
:setting:`CSRF_COOKIE_SECURE` and :setting:`CSRF_COOKIE_PATH` which can improve :setting:`CSRF_COOKIE_SECURE` and :setting:`CSRF_COOKIE_PATH` settings which can
the security and usefulness of the CSRF protection. See the :doc:`CSRF docs improve the security and usefulness of the CSRF protection. See the :doc:`CSRF
</ref/contrib/csrf>` for more information. docs </ref/contrib/csrf>` for more information.
Error report filtering Error report filtering
~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~
Two new function decorators, :func:`sensitive_variables` and Two new function decorators, :func:`sensitive_variables` and
:func:`sensitive_post_parameters`, were added to allow designating the :func:`sensitive_post_parameters`, were added to allow designating the
traceback frames' local variables and request's POST parameters susceptible local variables and POST parameters which may contain sensitive
to contain sensitive information and that should be filtered out of error information and should be filtered out of error reports.
reports.
All POST parameters are now systematically filtered out of error reports for All POST parameters are now systematically filtered out of error reports for
certain :mod:`contrib.views.auth` views (``login``, ``password_reset_confirm``, certain views (``login``, ``password_reset_confirm``, ``password_change``, and
``password_change``, and ``add_view`` and ``user_change_password`` in the ``add_view`` in :mod:`django.contrib.auth.views`, as well as
``auth`` admin) to prevent the leaking of sensitive information such as user ``user_change_password`` in the admin app) to prevent the leaking of sensitive
passwords. information such as user passwords.
You may override or customize the default filtering by writing a You may override or customize the default filtering by writing a :ref:`custom
:ref:`custom filter<custom-error-reports>`. Learn more on filter<custom-error-reports>`. For more information see the docs on
:ref:`Filtering error reports<filtering-error-reports>`. :ref:`Filtering error reports<filtering-error-reports>`.
Extended IPv6 support Extended IPv6 support
@ -346,7 +346,7 @@ the previous ``manage.py`` handling of Python import paths that caused double
imports, trouble moving from development to deployment, and other imports, trouble moving from development to deployment, and other
difficult-to-debug path issues. difficult-to-debug path issues.
The previous ``manage.py`` calls functions that are now deprecated, and thus The previous ``manage.py`` called functions that are now deprecated, and thus
projects upgrading to Django 1.4 should update their ``manage.py``. (The projects upgrading to Django 1.4 should update their ``manage.py``. (The
old-style ``manage.py`` will continue to work as before until Django 1.6; in old-style ``manage.py`` will continue to work as before until Django 1.6; in
1.5 it will raise ``DeprecationWarning``). 1.5 it will raise ``DeprecationWarning``).
@ -366,8 +366,8 @@ The new recommended ``manage.py`` file should look like this::
``{{ project_name }}`` should be replaced with the Python package name of the ``{{ project_name }}`` should be replaced with the Python package name of the
actual project. actual project.
If settings, URLconf, and apps within the project are imported or referenced If settings, URLconfs, and apps within the project are imported or referenced
using the project-name prefix (e.g. ``myproject.settings``, ``ROOT_URLCONF = using the project name prefix (e.g. ``myproject.settings``, ``ROOT_URLCONF =
"myproject.urls"``, etc), the new ``manage.py`` will need to be moved one "myproject.urls"``, etc), the new ``manage.py`` will need to be moved one
directory up, so it is outside the project package rather than adjacent to directory up, so it is outside the project package rather than adjacent to
``settings.py`` and ``urls.py``. ``settings.py`` and ``urls.py``.
@ -424,8 +424,8 @@ Custom project and app templates
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The :djadmin:`startapp` and :djadmin:`startproject` management commands The :djadmin:`startapp` and :djadmin:`startproject` management commands
got a ``--template`` option for specifying paths or URL to custom app or got a ``--template`` option for specifying a path or URL to a custom app or
project templates. project template.
For example, Django will use the ``/path/to/my_project_template`` For example, Django will use the ``/path/to/my_project_template``
directorywhen running the following command:: directorywhen running the following command::
@ -457,7 +457,7 @@ Reasons for using this feature include:
timestamps with time zone information in Django 1.3.) timestamps with time zone information in Django 1.3.)
- Avoiding data corruption problems around DST transitions. - Avoiding data corruption problems around DST transitions.
Time zone support in enabled by default in new projects created with Time zone support is enabled by default in new projects created with
:djadmin:`startproject`. If you want to use this feature in an existing :djadmin:`startproject`. If you want to use this feature in an existing
project, there is a :ref:`migration guide <time-zones-migration-guide>`. project, there is a :ref:`migration guide <time-zones-migration-guide>`.
@ -478,7 +478,7 @@ Django 1.4 also includes several smaller improvements worth noting:
* In the documentation, a helpful :doc:`security overview </topics/security>` * In the documentation, a helpful :doc:`security overview </topics/security>`
page. page.
* Function :func:`django.contrib.auth.models.check_password` has been moved * The :func:`django.contrib.auth.models.check_password` function has been moved
to the :mod:`django.contrib.auth.utils` module. Importing it from the old to the :mod:`django.contrib.auth.utils` module. Importing it from the old
location will still work, but you should update your imports. location will still work, but you should update your imports.
@ -519,18 +519,17 @@ Django 1.4 also includes several smaller improvements worth noting:
``pickle.HIGHEST_PROTOCOL`` for better compatibility with the other ``pickle.HIGHEST_PROTOCOL`` for better compatibility with the other
cache backends. cache backends.
* Support in the ORM for generating ``SELECT`` queries containing ``DISTINCT ON`` * Added support in the ORM for generating ``SELECT`` queries containing
``DISTINCT ON``.
The ``distinct()`` ``Queryset`` method now accepts an optional list of model The ``distinct()`` ``Queryset`` method now accepts an optional list of model
field names. If specified, then the ``DISTINCT`` statement is limited to these field names. If specified, then the ``DISTINCT`` statement is limited to these
fields. The PostgreSQL is the only of the database backends shipped with fields. PostgreSQL is the only database backend shipped with Django that
Django that supports this new functionality. supports this new functionality.
For more details, see the documentation for For more details, see the documentation for
:meth:`~django.db.models.query.QuerySet.distinct`. :meth:`~django.db.models.query.QuerySet.distinct`.
.. _backwards-incompatible-changes-1.4:
Backwards incompatible changes in 1.4 Backwards incompatible changes in 1.4
===================================== =====================================
@ -543,9 +542,9 @@ stylesheets. Django 1.3 added a new contrib app ``django.contrib.staticfiles``
to handle such files in a generic way and defined conventions for static to handle such files in a generic way and defined conventions for static
files included in apps. files included in apps.
Starting in Django 1.4 the admin's static files are now also following this Starting in Django 1.4 the admin's static files also follow this
convention to make it easier to deploy the included files. In previous convention to make it easier to deploy the included files. In previous
versions of Django, it was also common to define a ``ADMIN_MEDIA_PREFIX`` versions of Django, it was also common to define an ``ADMIN_MEDIA_PREFIX``
setting to point to the URL where the admin's static files are served by a setting to point to the URL where the admin's static files are served by a
web server. This setting has now been deprecated and replaced by the more web server. This setting has now been deprecated and replaced by the more
general setting :setting:`STATIC_URL`. Django will now expect to find the general setting :setting:`STATIC_URL`. Django will now expect to find the
@ -558,7 +557,7 @@ server continues to serve the admin files just like before. Don't hesitate to
consult the :doc:`static files howto </howto/static-files>` for further consult the :doc:`static files howto </howto/static-files>` for further
details. details.
In case your ``ADMIN_MEDIA_PREFIX`` is set to an own domain (e.g. In case your ``ADMIN_MEDIA_PREFIX`` is set to an specific domain (e.g.
``http://media.example.com/admin/``) make sure to also set your ``http://media.example.com/admin/``) make sure to also set your
:setting:`STATIC_URL` setting to the correct URL, for example :setting:`STATIC_URL` setting to the correct URL, for example
``http://media.example.com/``. ``http://media.example.com/``.
@ -594,13 +593,16 @@ As part of an effort to improve the performance and usability of the admin's
changelist sorting interface and of the admin's :attr:`horizontal changelist sorting interface and of the admin's :attr:`horizontal
<django.contrib.admin.ModelAdmin.filter_horizontal>` and :attr:`vertical <django.contrib.admin.ModelAdmin.filter_horizontal>` and :attr:`vertical
<django.contrib.admin.ModelAdmin.filter_vertical>` "filter" widgets, some icon <django.contrib.admin.ModelAdmin.filter_vertical>` "filter" widgets, some icon
files were removed and grouped into two sprite files, respectively: files were removed and grouped into two sprite files.
``selector-add.gif``, ``selector-addall.gif``, ``selector-remove.gif``,
``selector-removeall.gif``, ``selector_stacked-add.gif`` and Specifically: ``selector-add.gif``, ``selector-addall.gif``,
``selector_stacked-remove.gif`` into ``selector-icons.gif``; and ``selector-remove.gif``, ``selector-removeall.gif``,
``arrow-up.gif`` and ``arrow-down.gif`` into ``sorting-icons.gif``. If you used ``selector_stacked-add.gif`` and ``selector_stacked-remove.gif`` were
those icons to customize the admin then you will want to replace them with your combined into ``selector-icons.gif``; and ``arrow-up.gif`` and
own icons or retrieve them from a previous release. ``arrow-down.gif`` were combined into ``sorting-icons.gif``.
If you used those icons to customize the admin then you will want to replace
them with your own icons or retrieve them from a previous release.
CSS class names in admin forms CSS class names in admin forms
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -621,39 +623,39 @@ produced by the previous methods, these fallbacks are removed in Django 1.4.
So, if you upgrade to Django 1.4 directly from 1.2 or earlier, you may So, if you upgrade to Django 1.4 directly from 1.2 or earlier, you may
lose/invalidate certain pieces of data that have been cryptographically signed lose/invalidate certain pieces of data that have been cryptographically signed
using an old method. To avoid this, use Django 1.3 first, for a period of time, using an old method. To avoid this, use Django 1.3 first for a period of time
to allow the signed data to expire naturally. The affected parts are detailed to allow the signed data to expire naturally. The affected parts are detailed
below, with 1) the consequences of ignoring this advice and 2) the amount of below, with 1) the consequences of ignoring this advice and 2) the amount of
time you need to run Django 1.3 for the data to expire or become irrelevant. time you need to run Django 1.3 for the data to expire or become irrelevant.
* contrib.sessions data integrity check * ``contrib.sessions`` data integrity check
* consequences: the user will be logged out, and session data will be lost. * consequences: the user will be logged out, and session data will be lost.
* time period: defined by SESSION_COOKIE_AGE. * time period: defined by :setting:`SESSION_COOKIE_AGE`.
* contrib.auth password reset hash * ``contrib.auth`` password reset hash
* consequences: password reset links from before the upgrade will not work. * consequences: password reset links from before the upgrade will not work.
* time period: defined by PASSWORD_RESET_TIMEOUT_DAYS. * time period: defined by :setting:`PASSWORD_RESET_TIMEOUT_DAYS`.
Form related hashes — these are much shorter lifetime, and are relevant only for Form-related hashes — these are much shorter lifetime, and are relevant only for
the short window where a user might fill in a form generated by the pre-upgrade the short window where a user might fill in a form generated by the pre-upgrade
Django instance, and try to submit it to the upgraded Django instance: Django instance, and try to submit it to the upgraded Django instance:
* contrib.comments form security hash * ``contrib.comments`` form security hash
* consequences: the user will see a validation error "Security hash failed". * consequences: the user will see a validation error "Security hash failed".
* time period: the amount of time you expect users to take filling out comment * time period: the amount of time you expect users to take filling out comment
forms. forms.
* FormWizard security hash * ``FormWizard`` security hash
* consequences: the user will see an error about the form having expired, * consequences: the user will see an error about the form having expired,
and will be sent back to the first page of the wizard, losing the data and will be sent back to the first page of the wizard, losing the data
they have inputted so far. they have entered so far.
* time period: the amount of time you expect users to take filling out the * time period: the amount of time you expect users to take filling out the
affected forms. affected forms.
@ -695,9 +697,9 @@ specification, some changes were made to the JSON serializer:
only supports milliseconds (3 digits). However, it's better than discarding only supports milliseconds (3 digits). However, it's better than discarding
microseconds entirely. microseconds entirely.
The XML serializer was also changed to use ISO8601 for datetimes. The letter The XML serializer was also changed to use the ISO8601 format for datetimes.
``T`` is used to separate the date part from the time part, instead of a The letter ``T`` is used to separate the date part from the time part, instead
space. Time zone information is included in the ``[+-]HH:MM`` format. of a space. Time zone information is included in the ``[+-]HH:MM`` format.
The serializers will dump datetimes in fixtures with these new formats. They The serializers will dump datetimes in fixtures with these new formats. They
can still load fixtures that use the old format. can still load fixtures that use the old format.
@ -747,7 +749,7 @@ Check their documentation for details.
Django's :doc:`comments app </ref/contrib/comments/index>` has historically Django's :doc:`comments app </ref/contrib/comments/index>` has historically
supported excluding the comments of a special user group, but we've never supported excluding the comments of a special user group, but we've never
documented the feature properly and didn't enforce the exclusion in other parts documented the feature properly and didn't enforce the exclusion in other parts
of the app, e.g., the template tags. To fix this problem, we removed the code of the app such as the template tags. To fix this problem, we removed the code
from the feed class. from the feed class.
If you rely on the feature and want to restore the old behavior, simply use If you rely on the feature and want to restore the old behavior, simply use
@ -785,10 +787,9 @@ For more details, see the documentation about
`IGNORABLE_404_STARTS` and `IGNORABLE_404_ENDS` settings `IGNORABLE_404_STARTS` and `IGNORABLE_404_ENDS` settings
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Django can report 404 errors: see :doc:`/howto/error-reporting`. Until Django 1.3, it was possible to exclude some URLs from Django's
Until Django 1.3, it was possible to exclude some URLs from the reporting :doc:`404 error reporting</howto/error-reporting>` by adding prefixes to
by adding prefixes to :setting:`IGNORABLE_404_STARTS` and suffixes to :setting:`IGNORABLE_404_STARTS` and suffixes to :setting:`IGNORABLE_404_ENDS`.
:setting:`IGNORABLE_404_ENDS`.
In Django 1.4, these two settings are superseded by In Django 1.4, these two settings are superseded by
:setting:`IGNORABLE_404_URLS`, which is a list of compiled regular expressions. :setting:`IGNORABLE_404_URLS`, which is a list of compiled regular expressions.
@ -882,8 +883,6 @@ whose primary use is to load fixtures consisting of simple objects. Even though
fixtures are trusted data, for additional security, the YAML deserializer now fixtures are trusted data, for additional security, the YAML deserializer now
uses ``yaml.safe_load``. uses ``yaml.safe_load``.
.. _deprecated-features-1.4:
Features deprecated in 1.4 Features deprecated in 1.4
========================== ==========================
@ -900,7 +899,7 @@ Support for PostgreSQL versions older than 8.2
Django 1.3 dropped support for PostgreSQL versions older than 8.0 and the Django 1.3 dropped support for PostgreSQL versions older than 8.0 and the
relevant documents suggested to use a recent version because of performance relevant documents suggested to use a recent version because of performance
reasons but more importantly because end of the upstream support periods for reasons but more importantly because end of the upstream support periods for
releases 8.0 and 8.1 was near (November 2010.) releases 8.0 and 8.1 was near (November 2010).
Django 1.4 takes that policy further and sets 8.2 as the minimum PostgreSQL Django 1.4 takes that policy further and sets 8.2 as the minimum PostgreSQL
version it officially supports. version it officially supports.
@ -913,13 +912,13 @@ admin error email support was moved into the
:class:`django.utils.log.AdminEmailHandler`, attached to the :class:`django.utils.log.AdminEmailHandler`, attached to the
``'django.request'`` logger. In order to maintain the established behavior of ``'django.request'`` logger. In order to maintain the established behavior of
error emails, the ``'django.request'`` logger was called only when error emails, the ``'django.request'`` logger was called only when
:setting:`DEBUG` was `False`. :setting:`DEBUG` was ``False``.
To increase the flexibility of request-error logging, the ``'django.request'`` To increase the flexibility of error logging for requests, the
logger is now called regardless of the value of :setting:`DEBUG`, and the ``'django.request'`` logger is now called regardless of the value of
default settings file for new projects now includes a separate filter attached :setting:`DEBUG`, and the default settings file for new projects now includes a
to :class:`django.utils.log.AdminEmailHandler` to prevent admin error emails in separate filter attached to :class:`django.utils.log.AdminEmailHandler` to
`DEBUG` mode:: prevent admin error emails in ``DEBUG`` mode::
'filters': { 'filters': {
'require_debug_false': { 'require_debug_false': {
@ -958,13 +957,13 @@ Starting with Django 1.4 they are now available in :mod:`django.conf.urls`.
``django.contrib.databrowse`` ``django.contrib.databrowse``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Databrowse has not seen active development for some time, and this does not Databrowse has not seen active development for some time, and this does not show
show any sign of changing. There had been a suggestion for a GSOC project to any sign of changing. There had been a suggestion for a `GSOC project`_ to
integrate the functionality of databrowse into the admin, but no progress was integrate the functionality of databrowse into the admin, but no progress was
made. While Databrowse has been deprecated, an enhancement of made. While Databrowse has been deprecated, an enhancement of
django.contrib.admin providing a similar feature set is still possible. ``django.contrib.admin`` providing a similar feature set is still possible.
.. _GSOC Proposal: https://code.djangoproject.com/wiki/SummerOfCode2011#Integratedatabrowseintotheadmin .. _GSOC project: https://code.djangoproject.com/wiki/SummerOfCode2011#Integratedatabrowseintotheadmin
The code that powers Databrowse is licensed under the same terms as Django The code that powers Databrowse is licensed under the same terms as Django
itself, and so is available to be adopted by an individual or group as itself, and so is available to be adopted by an individual or group as
@ -978,10 +977,10 @@ This function temporarily modified ``sys.path`` in order to make the parent
layout. This function is now deprecated, as its path workarounds are no longer layout. This function is now deprecated, as its path workarounds are no longer
needed with the new ``manage.py`` and default project layout. needed with the new ``manage.py`` and default project layout.
This function was never documented or public API, but was widely recommended This function was never documented or part of the public API, but was widely
for use in setting up a "Django environment" for a user script. These uses recommended for use in setting up a "Django environment" for a user script.
should be replaced by setting the ``DJANGO_SETTINGS_MODULE`` environment These uses should be replaced by setting the ``DJANGO_SETTINGS_MODULE``
variable or using :func:`django.conf.settings.configure`. environment variable or using :func:`django.conf.settings.configure`.
``django.core.management.execute_manager`` ``django.core.management.execute_manager``
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -989,10 +988,10 @@ variable or using :func:`django.conf.settings.configure`.
This function was previously used by ``manage.py`` to execute a management This function was previously used by ``manage.py`` to execute a management
command. It is identical to command. It is identical to
``django.core.management.execute_from_command_line``, except that it first ``django.core.management.execute_from_command_line``, except that it first
calls ``setup_environ``, which is now deprecated. ``execute_manager`` is also calls ``setup_environ``, which is now deprecated. As such, ``execute_manager``
deprecated; ``execute_from_command_line`` can be used instead. (Neither of is also deprecated; ``execute_from_command_line`` can be used instead. Neither
these functions is documented public API, but a deprecation path is needed due of these functions is documented as part of the public API, but a deprecation
to use in existing ``manage.py`` files.) path is needed due to use in existing ``manage.py`` files.
``is_safe`` and ``needs_autoescape`` attributes of template filters ``is_safe`` and ``needs_autoescape`` attributes of template filters
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@ -1022,7 +1021,7 @@ Session cookies now have the ``httponly`` flag by default
Session cookies now include the ``httponly`` attribute by default to Session cookies now include the ``httponly`` attribute by default to
help reduce the impact of potential XSS attacks. For strict backwards help reduce the impact of potential XSS attacks. For strict backwards
compatibility, use ``SESSION_COOKIE_HTTPONLY = False`` in settings. compatibility, use ``SESSION_COOKIE_HTTPONLY = False`` in your settings file.
Wildcard expansion of application names in `INSTALLED_APPS` Wildcard expansion of application names in `INSTALLED_APPS`
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~